.middle {
    display: flex;
    justify-content: center;
    margin: 50px;
}

.middle > div {
    width: 1000px;
    border: 1px solid red;
}

.middle > div > div {
    padding: 10px;
    overflow: hidden;
}

.middle > div > div:nth-child(2) > div:nth-child(1) > div {
    text-indent: 3em;
    margin-bottom: 30px;
    line-height: 30px;
}

/*轮播*/
.middle > div > div:nth-child(2) > div:nth-child(2) {
    display: flex;

    animation: mymove 5s linear infinite alternate;
}

.middle > div > div:nth-child(2) > div:nth-child(2) > img {
    width: 180px;
    height: 120px;
    margin: 10px;
}

@keyframes mymove {
    from {
        margin-left: -500px;
    }
    to {
        margin-left: 500px;
    }
}

